/**
 * Copyright 2016 vip.com.
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * </p>
 */

package com.vip.saturn.job.internal.listener;

import org.apache.curator.framework.recipes.cache.TreeCacheListener;
import org.apache.curator.framework.state.ConnectionStateListener;

import com.vip.saturn.job.basic.JobRegistry;
import com.vip.saturn.job.basic.JobScheduler;
import com.vip.saturn.job.basic.Shutdownable;
import com.vip.saturn.job.internal.config.JobConfiguration;
import com.vip.saturn.job.internal.storage.JobNodeStorage;
import com.vip.saturn.job.reg.base.CoordinatorRegistryCenter;

/**
 * 作业注册中心的监听器管理者的抽象类.
 * 
 * 
 */
public abstract class AbstractListenerManager implements Shutdownable{
    
	protected CoordinatorRegistryCenter coordinatorRegistryCenter;
	protected String jobName;
    protected String executorName;
	protected JobScheduler jobScheduler;
	
	protected JobConfiguration jobConfiguration;
	

	public AbstractListenerManager(final JobScheduler jobScheduler) {
		this.jobScheduler = jobScheduler;
		this.jobName = jobScheduler.getJobName();
		this.executorName = jobScheduler.getExecutorName();
        jobConfiguration = jobScheduler.getCurrentConf();
        coordinatorRegistryCenter = jobScheduler.getCoordinatorRegistryCenter();
	}
	
    
    public abstract void start();
    
    /**
     * the listener will be listened to the path of /$Jobs/${jobName}/${path}.<br>
     * becareful that the path shouldn't start with /.
     * @param listener
     * @param jobName
     */
    protected void addDataListener(final TreeCacheListener listener, String jobName) {
        coordinatorRegistryCenter.addTreeCacheListener(listener, jobName);
    }
    
    
    protected void addConnectionStateListener(final ConnectionStateListener listener) {
    	coordinatorRegistryCenter.addConnectionStateListener(listener);
    }
    
    protected void removeConnectionStateListener(final ConnectionStateListener listener) {
    	coordinatorRegistryCenter.removeConnectionStateListener(listener);
    }
    
    @Override
    public void shutdown() {
    }
}
